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onebelarusianguy/Convert HEX to RGB with alpha channel

Last active March 23, 2021 02:34
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Convert HEX to RGB with alpha channel
/**
* Convert HEX to RGB with alpha channel
* @param {Array} [r, g, b]
* @returns {String} rgba string
*/
function hexToRGBA(rgb) {
let lowest = Math.min.apply(null, rgb),
alpha = (255 - lowest) / 255,
value = 'rgba(';
for (let i = 0; i < rgb.length; i++) {
value += parseInt((rgb[i] - lowest) / alpha, 10) + ', ';
}
value += alpha.toFixed(2) + ')';
return value;
}
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